Fix ccache in travis (and update readme)

1 files changed, 5 insertions, 2 deletions

diff --git a/README.md b/README.md
index 0019f9527..159ccbe64 100644
--- a/README.md
+++ b/README.md
@@ -8,14 +8,17 @@ A JavaScript runtime using V8 6.8 and Go.
 
 * No package.json, no npm. Not backwards compatible with Node.
 
-* imports reference source code URLs only.
+* Imports reference source code URLs only.
 	```
   import { test } from "https://unpkg.com/deno_testing@0.0.5/testing.ts"
   import { log } from "./util.ts"
 	```
 
 * File system and network access can be controlled in order to run sandboxed
-  code. Defaults to read-only file system access.
+  code. Defaults to read-only file system access. Access between V8
+  (unprivlaged) and Golang (privlaged) is only done via serialized messages
+  defined in this protobuf: https://github.com/ry/deno/blob/master/msg.proto
+  This makes it easy to audit.
 
 * Single executable:
 	```